TI-2023-23561 Aliases CVE-2023-43901 GHSA-cjm4-2f5j-r6xx

Incorrect access control in the AdHoc User creation form of eMudhra emSigner v2.8.7…

HIGH 66CWE-863Published 2023-11-14 · Updated 2026-08-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

Summary

Incorrect access control in the AdHoc User creation form of eMudhra emSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00471 40th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:emudhra:emsigner:2.8.7:::::::*	2.8.7	Vulnerable	Emudhra

cpe:2.3:a:emudhra:emsigner:2.8.7:*:*:*:*:*:*:* Versions 2.8.7 Vulnerable ·Emudhra

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-43901
2026-10-03 Alias added: GHSA-cjm4-2f5j-r6xx

References

Exploit 1

https://secpro.llc/EMSigner-CVE-1/

Other 1

https://secpro.co/blog/cve-2023-43901

TI-2023-23562 Incorrect access control in the Forgot Your Password function of eMudhra emSigner v2.8.7… CVSS 3.1CRITICAL 9.8
TI-2023-23560 Insecure Direct Object References (IDOR) in eMudhra emSigner v2.8.7 allow authenticated… CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences